Bump struts2-core from 2.1.7-SNAPSHOT to 2.5.30

Bumps [struts2-core](https://github.com/apache/struts) from 2.1.7-SNAPSHOT to 2.5.30.
- [Release notes](https://github.com/apache/struts/releases)
- [Commits](https://github.com/apache/struts/commits)

---
updated-dependencies:
- dependency-name: org.apache.struts:struts2-core
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
diff --git a/pom.xml b/pom.xml
index 46afa83..73a7f69 100644
--- a/pom.xml
+++ b/pom.xml
@@ -43,7 +43,7 @@
         <dependency>
             <groupId>org.apache.struts</groupId>
             <artifactId>struts2-core</artifactId>
-            <version>2.1.7-SNAPSHOT</version>
+            <version>2.5.30</version>
             <scope>compile</scope>
         </dependency>
         <dependency>